摘要:
A mineral mix containing mineral substances in large quantity, and being granulated; the mix contains bonding agent 1.5 to 6% by weight, advantageously 2 to 5% by weight.
摘要:
A mineral mix containing mineral substances in large quantity, and being granulated; the mix contains bonding agent 1.5 to 6% by weight, advantageously 2 to 5% by weight.